When I configure the usb modem by wvdial command its configuration file is created and I modified the configuration file with every kind of stuff I got from internet but still it is not able to connect with usb modem, its giving 'canno open serial port.'
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You will probably need to edit the wvdial.conf file a little so that you are using the right connection parameters for your internet service.
If those URL's did not help, please follow this procedure:
Step 1: Open Terminal from "Applications->Accessories->
Step 2: Run the following commands (copy-paste each line below to the Terminal then hit <enter> after each line)
sudo lshw -C network
dmesg | grep USB
Step 3: Post results (cut/paste terminal output from each command) here
Step 4: Provide us with the full model and make of Huawei modem.
What is the exact model number? Does it connect to the PC using a
Hi I'm Sathiya. I use Windows Vista Home Basic platform. I recently bought a TATA Indicom Plug to Surf connection. It had issues with drivers. I went to Tata indicom site and downloaded the latest driver for Vista. After installing the drivers, my connection is working fine. Make sure that you choose the right version.